Well first of all you need to spend several hours/days/weeks/months/years/centurys learning torque script. DONT ASK WHAT IT IS, GOOGLE IT.
Then, depending on what you wish to make, you may need to create models/particles/other resources. You can use various programs to make these, such as milkshape and blender. DONT ASK, GOOGLE. we dont need more topics like this when there are already explanations.
Next time, please use the search function.